.Solar candle configuration: (1).1 pcs 1. 2v 600mAH NI-CD rechageable battery; (2).1 pcs LED (color can optional) (3).1 pcs IC board protecting over fully charging and over fully supplying, automatic photoconductive daytime and nighttime control, spreading color flashing. 2.Designing the battery, PCB board, automatic photoconductive power ON / OFF switch in a control box. The unit will working fine long life.